I recently took in a stray and boy does his poo stink so bad compared to my existing house cat.

I had dewormed him 2 weeks ago but whew. It was bad and has stayed bad. Like a stank that will wake you up in the middle of the night even though it’s two rooms away.

I googled some suggestions. A lot of people with similar issues. Not much help for my situation.

Firstly. I do want to say that if you see blood or diarrhea. It could be food allergy or medical condition. But if that’s all good it’s likely gut bacteria is off.

De-worming can also exacerbate that problem.

I found very little help through conventional searches so I started looking at research articles.

Long story short.

Yogurt.

Lactose bacteria. A few specific strains can help get things back on track.

Dry cat snacks saying they have probiotics are often misleading. Don’t buy those. Your cat needs live bacteria re-introduced.

Here was my approach. I bought plain yogurt.

Put some on a plate. Cat wasn’t interested.

So I got a liquid cat treat. Specifically Delectables Bisque. Which the cats go crazy for but is a little $$.

But I mixed it with about 1 tsp of yogurt. Maybe a little more.

Cat ate it right up.

That’s one time so far. 2 days ago.

Cat poo smell is already way better. It’s almost unbelievable how much it’s improved.

Like half as smelly. I’m going to buy a few more bisques and give him some once a week for a while.

Here is the research article if you want to read through it yourself.

Lactobacillus plantarum is found in yogurt.

https://pmc.ncbi.nlm.nih.gov/articles/PMC11205573/

Lactobacillus plantarum L11 may affect fat metabolism in cats by exerting a positive impact on the gut microbiome, thereby reducing odorous substances and improving nutrient digestion [22]. These preliminary findings indicate that probiotics may alter the gut microbiota by increasing beneficial bacteria and reducing harmful bacteria. Further research is needed to investigate the effects of these probiotic-based alterations to the gut microbiome on feline health, as well as other action pipelines.

https://www.petplace.com/article/cats/pet-health/cat-health/cat-diet-nutrition/can-cats-eat-yogurt

Feed in small quantities. 1tsp.